Vampire Number Calculator

Check if a Number is Vampire (small/medium size)

Generate & Store Small/Medium Vampires

From: To:

Generate Gigantic Vampire Number (constructive method)

Repeats of the 10-digit block → controls size (503 ≈ 10,060 digits, 800 ≈ 16,000 digits)

Stored Small/Medium Vampire Numbers

Click "Load / Refresh" to show stored entries…